Audio-Technica U857QLU Gooseneck Microphone with UniLine Series Cardioid Micropone Capsule (23") (Phantom Only)The Audio-Technica U857QLU is a flexible gooseneck microphone designed for outstanding performance in schools, houses-of-worship, boardrooms, government facilities, etc. The microphone capsule features a cardioid polar pattern for superb rejection of off-axis noise and ambiance.The wide, linear frequency response delivers smooth, accurate reproduction of speech without noise, artifacts or colorization. The ultra flexible gooseneck enables flexible positioning while resisting inadvertent repositioning. Optional interchangeable capsules provide cardioid, hyper-cardioid, omni-directional and UniLine cardioid polar patterns for added flexibility.UniGuard ShieldingUniGuard shielding provides exceptional rejection of radio-frequency interference.UniSteep FilterLow frequency noise and proximity effect is reduced as a result of UniSteep filtering.Interchangeable ElementsCardioid, hyper-cardioid and omni-directional capsules are available as options and provide added flexibility.TransducerFixed-charge back plate, permanently polarized condenserPolar PatternUniLine Series CardioidFrequency Response30-20,000 HzDynamic Range (Typical)Phantom: 110 dB, 1 kHz at Max SPL Battery: 100 dB, 1 kHz at Max SPLSignal-to-Noise Ratio74 dB, 1 kHz at 1 PaMaximum Input Sound LevelPhantom: 130 dB SPL, 1 kHz at 1% T.H.D. Battery: 120 dB SPL, 1 kHz at 1% T.H.D.Power RequirementsPhantom Power OnlyOutput ImpedancePhantom: 200 ohms Battery: 270 ohmsOutput Connectors3-pin XLR malePadNoLow Frequency Roll-OffYesDimensions23"Weightnot specified by manufacturerIn the BoxAudio-Technica U857QLU Gooseneck Microphone with UniLine Series Cardioid Micropone Capsule (23") (Phantom Only)Phantom Power OnlyAT8154 Foam WindscreenAT8662 UniPoint Shock Mount1 Year Warranty